Acquisition method (AMC)
1
FSC 5310 × NUT,SELF-LOCKING,CLINCH
NUT,SELF-LOCKING,CLINCH
5310-00-373-3035 FSC 5310
NSN 5310-00-373-3035 (also written 5310003733035; NIIN 00-373-3035) is a nut, self-locking, clinch in Federal Supply Class 5310, Nuts and Washers. 9 manufacturer part numbers from 7 suppliers are on record. No purchases are on record yet.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
B
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC B: must be bought from the sources named on a source control or selected item drawing. The codes describe the item's status on record, not any one solicitation. What the codes mean
What it is — can you make it?
Dimensions, the FLIS specification requirements, and the manufacturer part numbers already qualified against this NSN.
Specifications
From the federal catalog (DLA FLIS / PUB LOG) — what your part has to meet. Cited specification documents can be looked up in ASSIST Quick Search ↗, DoD's public spec repository — copy the document number in.
| Requirement | Value |
|---|---|
| THREAD CLASS AAJD | 3B |
| SURFACE TREATMENT SFTT | OVERALL SILVER |
| COUNTERBORE DIAMETER AAWY | NUT INCHES MINIMUM 0.265 AND INCHES MAXIMUM 0.270 |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| THREAD QUANTITY PER INCH CMLP | 28 |
| HARDNESS RATING CQFM | ROCKWELL C MINIMUM 24.0 |
| LOCKING FEATURE AAUM | PREVAILING TORQUE ALL METAL DESIGN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL ASSN STD SINGLE TREATMENT RESPONSE A-S 2411 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5735 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5737 |
| NUT COUNTERBORE DEPTH ADFK | NUT INCHES MINIMUM 0.105 AND INCHES MAXIMUM 0.111 |
| END ITEM IDENTIFICATION AGAV | W/S: WNGINE, AIRCRAFT, F100 PW220 (F-15C/D/E); AIRCRAFT, F-16; ENGINE, AIRCRAFT, F100-PW-100 (F-15A/B/C/D) |
| THREAD SERIES BZRR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| NOMINAL THREAD SIZE CQJX | INCHES 0.250 |
| MATERIAL MATT | OVERALL STEEL |
Manufacturer part numbers
Commercial part numbers cross-referenced to this NSN in the federal catalog — the parts that have been accepted as satisfying this stock number, and who makes them.
| Part number | CAGE | Manufacturer |
|---|---|---|
| 4021866 | 52661 | RTX CORPORATION DIV PRATT & WHITNEY |
| 4021866 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY |
| 4021905 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| 4021907 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC |
| 4021907 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY |
| 4023391 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY |
| 4818DF048-1 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS |
| K49502-4 | 15633 | WATSON INDUSTRIES INC |
| L11174-7-4 | 72962 | HARVARD INDUSTRIES INC |
What it pays — so you can quote
The government's own price and demand record for this NSN — what past awards cleared at, so you know where to land your quote.
Latest unit price
—
Purchases
0
Total spend
—
—
Last purchased
—
Purchase records
—
Total demand
—
Latest award total
Purchase history
No priced purchases on record for this NSN yet.
Related contract actions
Contract action totals, not unit prices — obligation amounts from USAspending for related awards, shown for context only. These do not appear on the price chart above.
No related contract actions on record.
Demand history
Every solicitation we've indexed for this NSN, open and closed — 9 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-36WV | Sep 25, 2026 | Oct 2, 2026 | 2,346 | Expired | View at DIBBS → |
| SPE4A6-26-T-30WK | Sep 17, 2026 | Sep 24, 2026 | 2,346 | Cancelled | View at DIBBS → |
| SPE4A6-26-T-26XM | Sep 8, 2026 | Sep 15, 2026 | 10 | Expired | View at DIBBS → |
| SPE4A0-26-T-4650 | Sep 4, 2026 | Sep 11, 2026 | 700 | Expired | View at DIBBS → |
| SPE4A6-26-T-26KS | Sep 4, 2026 | Sep 11, 2026 | 200 | Expired | View at DIBBS → |
| SPE4A6-26-T-26KT | Sep 4, 2026 | Sep 11, 2026 | 200 | Expired | View at DIBBS → |
| SPE4A6-26-T-26KU | Sep 4, 2026 | Sep 11, 2026 | 200 | Expired | View at DIBBS → |
| SPE4A6-26-T-26KW | Sep 4, 2026 | Sep 11, 2026 | 200 | Expired | View at DIBBS → |
| SPE4A6-26-T-25XP | Sep 2, 2026 | Sep 9, 2026 | 100 | Expired | View at DIBBS → |
Open RFQs on DIBBS → DIBBS award history ↗
About this data
- Unit prices: DLA DIBBS award records — every row links to its government record.
- AMSC: latest observed value from DIBBS solicitation history as of Oct 10, 2026.
- Contract action totals: USAspending, context only.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,SELF-LOCKING,CLINCH." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-00-373-3035/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-00-373-3035/